/Engine/Source/Runtime/Core/Public/Tasks/Task.h
A synchronisation primitive, a recommended substitution of `FEvent_ for signalling between tasks. If used as a task prerequisite or a nested task, it doesn't block a worker thread. Optionally can use "busy waiting" - executing tasks while waiting.
class FTaskEvent : public [UE::Tasks::Private::FTaskHandle](API\Runtime\Core\Tasks\FTaskHandle)